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YLetters Patent No. 102,049, dated April 1i), 1870.

4I,- Guannes A. SGAXLAN, oi'v Charleston,4 in the district otCharleston' and. State of South Carolina, lhave linvented a new anduseful Dredging Apparatus, winch is described as follows: l

Nata-re l and Objects.

My aplnn'atus is designed `for the recovery'of lost i articles irom. theVbeds of rivers, &e.., for gathering oysters, removing .phosphatedeposits and obstruc-v tions, and` other similar uses. It consist-s in aconI `plete. l'orm ot'a'pairfot' piroted toothed jaws or rakes, forming,when closed together, a basket; vanal-cned frame `for the attaelnnentolfsaid jaws, provided centrally with a. tubular stem or standard, bywhich to raise and'lower it; a rod sldingwit-hin said tubular siem, bywhich toeuatuate the rakes; 'and slotted arms or-lerers on therakes`,\tbr the attachment ol' said rod, and is to vary in-si'Ae,anibeadaptcd'tin operation by either hand or machinery, as required.

, General Description. In the arclnnpanying drawings- Figure -lrepresents an elevation, and Figure 2,' a perspective View of:ui-illustrative foim oi' my apparatus adapted liuhand use.

. 4Figures ,Il and .4, respectively, a perspective view and .aneleration'oi' the apparatus u s adapted for heavy work, and liuuperationby machinery.

Figs. 2 and 3 represent' the'po'sition of the parts in n'ther closedcondition. A y Similarv letters-ol' reference indicate like parts inthe-open conditionol'tlieiaws, and 1 and '4, the same.

AAin .the drawings representa pair of jaws or "lakes oll suitable forniv:rml-material, and adapted to form, when broughttogether, a basket orreceptacle ot' proper capacity.v I

B represents an arched frame, n'daptiul ibrthe at taelnnent to itsextremities, by hiuge-joints of the I ra'kes A, being ol singlethickness, as represented in iigs. l and :3, orv -bilfnrcntljih so :isv,to atilnil more laten!! support, as represented in lig. as required.

U represents a tubular stem or standard, attachedeentrally to the l'ranwl, l'or raising,.lowering, and

. holding the rakes.

l) representan roll, igen-king within the'l'ubular stem G, l'or openingand closing the rakes.

E E npresent. rigid :irplsor levels, provided ou the "innerA sides of'lhe lakes l'or thealtaelnnergt oi'the a dredgingapparatus ofthedescription set tortlr, the

y 'represents a reeessip 'the lower end ol' the rodn' n', slots in thearms E for the receptionol` said plu,whieh iin-ms thealtaelnnent of thewd.v

' the same when t-bevmkes are represented in rigs. 1 and 2, or, forheavier work, be connected, in use, by chains or ropes l" G, to suitablemachinery for operating,r them. 1n the former ease, at least, where itis very convenient, I propose apply-` ing to lthe stem, at its upperenda clamp4screw, H'f, or its equivalent, by which to hold, through. therovi l), the rakes' in their open and closed positions.

Said'rod and stem will. bot-h usually be of metal.. 1n large apparatus,such as represented in figs. 7i and 4, the latter may be made of wood,as indicated;

and for hand-lakes, such as represented in figs. l and i 2, gas-pipe maybe employed to goed advantage to form said part. 'l

longitudinal groove ouothcr means for guiding the rod may render'thetubular forlnofstem unneces-- sary. g v

One or apau of the arms or levers E may be employed on each rake, asrequired, and, when necessary,'the same may be strengthened by braces r,as

represented in figs. 3 and 4. v

For a pair on each rake,A the rod Dy will, of course, be bii'urcatd atitsl lower end, as 'represented The rakesiA are of variableconstruction. I prefer to construct them for hand-rakes ofthe simpleform represented. vFor larger apparatus, the heads u may beextended andgrated, and, i.: addition to the usual teeth t, supplementary ones, "sat `the ends, closing brought together, may be employed to assist inretaining the load, as represente( Fordredgiug .bedded formations whichrequire to ,be broken' from .theI bottom, the 'teeth will be made. ot'steel and chisel-shaped, so as -to bear the requisite.l thrust into themass to disengage it. The weight ol' the stem, actuating-rod, chainmze.,above the bas ket, enable. great forccto be applied. to it for this andsimilar purposes.

Claims.

I claim a's newpair ot' pivotcd rakes, A A, a flame, B, l'oritheattachment ol' said rakes, provided with a stem or standf ard, C, a rod,D, for working the lakes, and :arms or 1evers, E, on the rakes,-for theattachment of said rod, substantially as herein set forth, for thepurpose# shown,

P3, -Infthedciwrihcd combination, with-the rakes A,

levers E, frame B, stem or standard C, and. rod 1), ol'

clampfsen-w il, -or its equivalent, for the purposev smavl `easement.

` Witnessem g Jeux F. W'. Wauu-zu,

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